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Information × Registration Number 0307U003388, 0106U005530 , R & D reports Title Scientific tracking, making observations, generalization of results at integration of ore sublevel mining (640-740 and 740-840 m) by rooms with various parameters in two adjacent levels (height, length, width) in order to define their optimum values in going to working-off levels lower the horizon of 840 m. popup.stage_title Наукове супроводження, проведення спостереження і узагальнення результатів при упровадженні у двох суміжних поверхах (640-740 і 740-840 м) підповерхового відпрацювання руди камерами з різними параметрами(висота, довжина, ширина)... Head Nastoburko Leonid Grigorievich, Registration Date 13-03-2007 Organization State enterprise "Scientific-research mining institute" popup.description2 On the basis of chamber working-off analysis at Zaporozhski iron-ore plant there are stated trends of operations improvement. Indices of ore extraction at rooms working-off are determined. Here are developed variants of common working of reserves by sublevel-room and level-room mining systems. Recommendations for ore reserves mining with self-propelled equipment use are given. Product Description popup.authors popup.nrat_date 2020-04-02 Close